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# Listar emisores

GET https://api.uuid.mx/v1/emisores

Reference: https://docs.uuid.mx/api-reference/emisores/listar-emisores

## Authentication

- `Authorization` header (bearer token, required) — API key (`uuid_live_*` / `uuid_sandbox_*`) o token de Firebase.

## Response

### 200

Default Response

- `data` (list of Emisor, optional)

## Errors

### 401 Unauthorized Error

Default Response

- `error` (string, optional) — Código de error legible por máquina (ej. FACTURA_NOT_FOUND)
- `message` (string, optional) — Detalle accionable del error
- `requestId` (string, optional) — ID de la petición para rastrear en logs

## Types

### Emisor

RFC emisor registrado.

- `rfc` (string, optional)
- `razonSocial` (string, optional)
- `regimenFiscal` (string, optional) — Clave y descripción, p. ej. "601 — General de Ley Personas Morales"
- `regimenFiscalClave` (string, optional, nullable) — Solo la clave, lista para Emisor.RegimenFiscal del CFDI
- `ambiente` (enum, optional)
  - Allowed values: `sandbox`, `production`
- `certificados` (string, optional) — Vigentes | Próximos a expirar | Expirado | Pendientes
- `certificadoNoCert` (string, optional, nullable)
- `certificadoVigenteDesde` (string, optional, nullable)
- `certificadoVigenteHasta` (string, optional, nullable)
- `timbresUsados` (integer, optional)
- `limiteTimbres` (integer, optional, nullable) — null = sin tope
- `conteoReiniciadoEn` (string, optional, nullable)
- `agregadoEn` (string, optional, nullable)
- `protected` (boolean, optional)
- `logo` (string, optional, nullable) — data URL del logotipo
- `colorBase` (string, optional, nullable)
- `lugarExpedicion` (string, optional, nullable)
- `webhookUrl` (string, optional, nullable) — URL a la que se entregan los eventos de este emisor
- `webhookEventos` (list of string, optional, nullable) — null = todos
- `webhookConfigurado` (boolean, optional)

## Examples

**Response**

```json
{
  "data": [
    {
      "rfc": "string",
      "razonSocial": "string",
      "regimenFiscal": "string",
      "regimenFiscalClave": "string",
      "ambiente": "sandbox",
      "certificados": "string",
      "certificadoNoCert": "string",
      "certificadoVigenteDesde": "string",
      "certificadoVigenteHasta": "string",
      "timbresUsados": 1,
      "limiteTimbres": 1,
      "conteoReiniciadoEn": "string",
      "agregadoEn": "string",
      "protected": true,
      "logo": "string",
      "colorBase": "string",
      "lugarExpedicion": "string",
      "webhookUrl": "string",
      "webhookEventos": [
        "string"
      ],
      "webhookConfigurado": true
    }
  ]
}
```

**SDK Code**

```python
import requests

url = "https://api.uuid.mx/v1/emisores"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.uuid.mx/v1/emisores';
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.uuid.mx/v1/emisores"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.uuid.mx/v1/emisores")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://api.uuid.mx/v1/emisores")
  .header("Authorization", "Bearer <token>")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.uuid.mx/v1/emisores', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.uuid.mx/v1/emisores");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Authorization": "Bearer <token>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.uuid.mx/v1/emisores")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```